The home of open source and collaborative coding.
Tools to write & ship code
Editors, IDEs and developer platforms for building and shipping software, plus database and API tools.
Tools for this task
899 toolsThe world's most popular free code editor.
Hex editor with binary templates
Live video SDK and API for custom experiences
Official WhatsApp Business API provider
Suite of APIs for validation, lookup and data
Developer infrastructure, handled
Web interface for Nagios and Naemon configuration
No-code builder for native mobile apps you publish to the app stores.
Subscription infrastructure and paywalls for apps
Global payments platform for enterprise commerce
Community fork of American Fuzzy Lop fuzzer
CI/CD platform with multi-executor flexibility
Real-time engagement platform for voice and video
AI for Developers — Best AI Coding Dev Tools, AI Agents, Skills & SDKs (2026)
Error monitoring for apps and APIs
Spreadsheets meet databases, beautifully.
Enterprise CDN, cloud and cybersecurity platform
Minimal GPU-accelerated terminal emulator
Unified alert console for monitoring systems
AI search and discovery platform for businesses
Flexible lightweight test report generation tool
The official IDE for Android development
Simple open-source IT automation engine
Modern open source SQL client aiming to be useful and simple
Forge software for hosting collaborative projects
Widely-used distributed NoSQL database
Cloud computing platform for public and private clouds
Document database with seamless multi-master sync
Real-time data warehouse for analytics at scale
Hadoop database for random real-time access to big data
Distributed database for high-performance computing with SQL
Time-series database designed for industrial IoT
Enterprise mail server from the Apache project
Load testing and performance measurement for services
Full IDE for Java and more, from Apache
Open source serverless cloud platform for actions
API-first hotel property platform
Video API for on-demand and live streaming
All-in-one API design testing and documentation
Web scraping and automation cloud platform.
Dynamic cloud-native API gateway and AI gateway
Mobile app automation using the WebDriver protocol
Visual AI testing platform for UI validation
One notification library for dozens of services
Lets businesses create no-code apps from spreadsheets and databases for field.
Open-source backend platform for auth, databases, storage and functions
Multi-model database for graphs, documents and search
Professional three-way file comparison and merging
Energy data for the climate economy
Vulnerability assessment and management platform
An AI analyst that lives inside your spreadsheets.
Program Arduino boards with a simple IDE
Declarative GitOps delivery for Kubernetes
Container-native workflow engine for Kubernetes
Load testing toolkit for APIs and services
Speech recognition and audio intelligence API
Fast static websites
Developer infrastructure, handled
Magical shell history with sync and search
Customer identity platform for app login
Authentication and authorization server for your apps
Identity provider with flexible authentication flows
Describe the pattern in English, get the regex back.
Multi-blog CMS with built-in community features
A powerful 3D engine for the web
Visual app development and backend platform
Developer infrastructure, handled
Open framework for building internal developer portals with a service catalogue
Communications platform with voice, messaging and emergency services APIs
Automated image and video generation API
Open-source online database and app builder
Model inference platform for production AI
Build and test tool from Google for monorepos
Serverless GPU cloud for AI workloads
Simple, fast in-memory work queue service
Mock API server and webhook inspection service
Browser exploitation framework for pentesters
Behaviour-driven development framework for Python
Lightweight server monitoring with Docker stats
TypeScript authentication framework for your own database
The gold standard for comparing files and folders
Fast formatter and linter
Git code hosting with built-in CI/CD from Atlassian
AI code review agent for development teams
Mobile-first continuous integration and delivery
Editor built for web developers and programmers
A WYSIWYG editor for HTML and EPUB
A drag-and-drop builder for Bootstrap sites
Secure remote access to hosts and services
Web design editor with live browser preview
Payment platform by PayPal for apps and websites
Event-driven scripting for Kubernetes pipelines
New way to see and navigate directory trees
Headless browser infrastructure for automation at scale
Test on real browsers and devices in the cloud
Offline-first open-source API client
Full-stack no-code platform for building real web applications.
Lets clients and teams pin visual feedback and bug reports directly.
Self-hosted error tracking compatible with Sentry SDKs
Application stability monitoring by SmartBear
Tool for building OCI container images without a daemon
Python-based continuous integration framework
No-code 3D and 2D game builder
Hybrid CI platform for running pipelines at scale
API documentation and changelogs automatically from OpenAPI and AsyncAPI files
All-in-one JS runtime
Developer infrastructure, handled
File upload API for developers
Self-hosted uptime monitoring with phone alerts
Open-source status page system for communicating incidents and scheduled maintenance
Process orchestration platform based on BPMN
Developer-friendly EMR platform
Self-hosted PaaS and app deployment platform with one-click apps and monitoring
Real-time voice AI platform with Sonic models
Identity and access management with a friendly UI
Open source IT infrastructure monitoring platform
Automated TLS certificate management for Kubernetes
Platform for 3D geospatial applications
HTTP proxy and monitor for developers
Developer-friendly platform for building AI chat bots
Synthetic monitoring and Playwright testing as code
Cloud payment platform for digital commerce
Static code analysis for infrastructure as code
Infrastructure automation written as Ruby code
Visual testing and review for Storybook components
Continuous integration and delivery for software teams
AI image editing API for marketplaces and photo apps
Static analysis of vulnerabilities in containers
Complete user management and authentication for modern apps
Fast open-source columnar database for analytics
SMS, email, voice and mail from one platform
Event-based 2D game creation software
AI image editing suite by Stability AI
Online file converter supporting more than two hundred formats
CDN, DNS and security for websites and apps
Web console for managing Linux servers
Distributed SQL database for resilient applications
Automated code review and quality platform
Free C and C++ IDE with compiler support
Offers a cloud IDE with containers so developers can code from.
Non-profit Git hosting for free and open-source software
Engineering analytics and code quality platform
Social code playground for building and sharing front-end experiments
Self-hosted cloud development environments
Provides an online development environment for building and sharing web applications.
Technical hiring assessments and interview platform
In-app chat, voice and video SDKs
Node-based interface for Stable Diffusion workflows
Build, deploy and monitor in one workflow
Pipeline-based continuous integration built on containers
In-context editing for real websites
Feature flag service with generous free tier
Build 2D games in your browser
Service discovery, configuration and service mesh platform
Service networking platform by HashiCorp
Composable content platform for digital experiences
Open-source AI code assistant for any IDE
Reactive backend platform for full-stack apps
Open-source platform for self-hosting apps, databases and services on your servers
DNS server written in Go with plugin chains
Distributed NoSQL database for enterprise applications
Collaborative analytics canvas for data teams
A flexible CMS for content-driven sites
PDF generation API with drag-and-drop templates
Developer infrastructure, handled
Platform teams build internal cloud platforms using Kubernetes as the control
Company and startup database with funding data
A graphically powerful game engine
Ship and run software with less friction
A free 2D game editor and engine
Semantic layer for building data applications
Behaviour-driven development tool using plain language specs
Cross-platform editor with Python plugins
Frontend to curl with HTTPie-style ease of use
The AI-first code editor built for pair programming with AI.
A libre server and cloud storage browser
Fast end-to-end testing for web applications
Programmable CI engine that runs anywhere
WebRTC video and voice API for embedding calls
Portable runtime for building distributed applications
Query and modify data structures from the command line
Minimal server dashboard for resource usage
Interactive courses for data and AI skills.
Full-stack observability and security monitoring platform
Database IDE from JetBrains for SQL professionals
Flat-file CMS for small websites and wikis
Headless CMS for websites and digital products
Ship and run software with less friction
Sandbox infrastructure for AI agents and code execution
Visual browser and editor for SQLite databases
Universal database tool for developers and analysts
Smart cross-platform database manager and SQL client
Transform data in your warehouse with SQL.
Git-based CMS for static site generators
Simple AI image, chat and API tools for everyone
Speech-to-text and voice AI APIs for developers
Static analysis platform with autofix for code health
Vulnerability management and DevSecOps platform
A free engine for cross-platform games
Compare files, folders and archives anywhere
Secure JavaScript and TypeScript runtime
Fast Docker image builds in the cloud
Drag-and-drop authentication and user management
Gray-box end-to-end testing for React Native
Client-only tool for fast Kubernetes development
Distributed graph database with GraphQL support
Free avatar library and API for products
Graphically compare and merge files
Headless CMS and data platform for SQL databases
An enterprise CMS built on Django
Build, ship, and run apps in containers.
HTML to PDF and Excel conversion API
React documentation site generator by Meta
Command-line DNS client for humans written in Go
Docker-powered mini-Heroku that deploys apps to your own servers with Git
In-memory data store compatible with Redis and Memcached APIs
TypeScript ORM with SQL-like syntax
Container-native continuous integration platform
AI-powered observability for enterprise software
Website CMS in PHP with plugin architecture
Cloud sandboxes for AI agents and code interpretation
Search the EAN and UPC barcode database
Ship and run software with less friction
Open source MQTT message broker from Eclipse
Vendor-neutral edge computing framework for IoT
Distributed search and analytics engine
A simpler static site generator
Email verification and deliverability platform
A front-end for retro game emulators
Run arbitrary commands when files change
Cloud-native high-performance edge and service proxy
Helps engineering teams draw architecture diagrams and write technical documents together.
Event-native database for event sourcing applications
Business intelligence as code with SQL and Markdown
AI-driven system test generation for REST, GraphQL and RPC
Visual file and directory comparison for Windows
Sync secrets from external stores into Kubernetes
Generative media platform and model APIs
Cloud-native runtime security for hosts and containers
Collaborative penetration testing and vuln management
Property-based testing framework for JavaScript and TypeScript
Edge cloud for delivery, compute and security
Framework for realtime APIs and microservices
API documentation and SDK generation platform
Free web debugging proxy for Windows
File upload API and transformations
The long-standing free FTP solution
Google's app platform with database, auth, hosting and analytics built in
Relational database with a long open source history
Multi-protocol API platform for REST, GraphQL and sockets
Web data API for scraping, crawling and LLM extraction
Developer infrastructure, handled
Fast serverless framework for Kubernetes in Go
Progressive delivery tool for Kubernetes canary deployments
Open-source feature flag and remote config service
Container Linux for auto-updating server fleets
Developer infrastructure, handled
Helps developers deploy full-stack apps to their own AWS account with.
Open-source feature flag application that stores flags in your own database
GitOps continuous delivery for Kubernetes
Run full-stack apps on lightweight VMs close to users worldwide
Community fork of Gitea for software forges
A fast and friendly Git client
Load testing library, command line tool and web UI
Distributed version control system that bundles a wiki, bug tracker and
Distributed database with ACID transactions at scale
Edit binary files of almost any size
Integrated identity and policy management for Linux
Provides B2B SaaS teams with user management.
Downloadable customer identity and access management
Terminal JSON viewer with mouse support and themes
The accessible 2D game engine
Drag-and-drop game creation for education
Virtual server cluster management tool
Load testing platform for developers
A React framework for fast websites
Automated developer health dashboard and status page
Lightweight cross-platform test automation tool
No-code, open-source game creation
Lightweight IDE that starts instantly
Application framework for distributed job execution
Graph-relational database built on PostgreSQL
Web mapping framework for GIS data publishers
Server for sharing and editing geospatial data
Web-based team code collaboration and review tool
AI image generation and editing platform in one place
Publishing platform for newsletters and memberships
Fast GPU-accelerated terminal emulator
Full-featured Git UI for Windows
Documentation platform for products and APIs
Git platform powered by Scala with easy installation
Lightweight self-hosted Git service in Go
Simple GitHub workflow without the terminal
Legendary Git client with a visual commit graph
The complete DevOps platform in a single application.
Scan code and git history for leaked secrets
Git hosting with fine-grained access control
Cloud development environments, now Ona
Multilingual speech-to-text API platform
Cross-platform system monitoring tool written in Python
Open-source subscription infrastructure for apps
Provides in-app bug reporting.
Turn spreadsheets into polished mobile and web apps.
Open-source error tracking platform compatible with Sentry SDKs
Lightweight Java application performance monitoring
Scalable network filesystem for storage clusters
Forge hosting GNU and free software projects
Continuous delivery server with value stream visualisation
A completely free and open game engine
Painless self-hosted Git service written in Go that runs on very
Phishing simulation framework for awareness training
Open dashboards and visualization for observability
A fast flat-file CMS
APIs and event streams with a gateway, portal and access management
Vulnerability management from the OpenVAS project
Unified time-series database for metrics, logs and events
Search inside files from Explorer's menu
Hybrid spreadsheet-database for structured data
Developer assessment and hackathon platform
Build, deploy and monitor in one workflow
Fast and reliable TCP and HTTP load balancer
Extensible Node.js SMTP server
Software delivery platform with CI, CD and feature flags
Secrets management and data protection
Instant GraphQL APIs on your data
Extensible Kubernetes web UI for exploring clusters and workloads visually
Open-source, self-hosted implementation of the Tailscale control server for WireGuard networks
Lightweight client for MariaDB, MySQL and other servers
Post-modern modal text editor for the terminal
Package manager for Kubernetes applications
Ship and run software with less friction
Collaborative notebooks for data teams.
A fast blogging framework powered by Node
Error tracking and uptime monitoring for developers
Lightweight API client
Lightweight API simulation especially for microservices
API to convert HTML and CSS into images
Mozilla tool for scanning website security posture
Human-friendly HTTP client for APIs
Fast static site generator written in Go
A fast hex, disk and memory editor
Provides a GraphQL-native headless CMS for federating content from multiple sources.
Uptime monitoring with beautiful hosted status pages for products
Property-based testing library for Python
Thousands of open-source icon sets behind one API and component library
Wiki compiler powered by version control
Device-aware image CDN
Media management and delivery platform
Image and video processing CDN
A hex editor for reverse engineers
The HTML5 engine behind many early web games
Ship and run software with less friction
A scripting language for interactive narrative
Collaborative API client for design, testing and debugging
Helps mobile teams collect in-app bug reports.
Realtime client-side database for apps
Fast, elegant status pages that keep customers informed during incidents
Peer-to-peer hypermedia protocol for content addressing
Geolocation, astronomy and timezone APIs
IP address data for geolocation and companies
IP geolocation API for location data
Service mesh for traffic, security and observability
Open-source distributed tracing from Uber and CNCF
Helps teams capture bug reports as shareable links with logs.
Distributed graph database optimised for large graphs
Transform plain text into static websites
Open-source automation server for CI and CD
Delightful JavaScript testing framework
Developer infrastructure, handled
Search foundation APIs for embeddings and reranking
Property-based testing engine for JUnit on the JVM
Command runner that saves project-specific commands in a justfile
Single-binary Kubernetes distribution for any platform
Lightweight certified Kubernetes distribution
Developer-friendly load testing with JavaScript scripts
Terminal UI for observing and managing Kubernetes clusters in real time
Self-hosted source code hosting for Git and Mercurial
Modern identity management server written in Rust
Unified test automation for APIs, UI and performance
Ship and run software with less friction
Test automation platform for web, API and mobile
Advanced text editor from the KDE community
Three-way merge tool from KDE
Open source status page and monitoring in a small package
Cloud-native application life-cycle orchestration
Ship and run software with less friction
Open-source identity and access management
Design circuit boards like a pro, free
HTML5-based management for KVM virtualization
Kubernetes in Docker for local clusters and testing
Auth and user management platform for modern apps
Microsoft command-line tool to generate API clients
The file-based CMS for designers
Open source test case management system
Kubernetes platform for serverless and event-driven apps
High-performance authoritative DNS server
Free planning poker and retrospective tool
An easy WYSIWYG web page editor
API gateway and service connectivity platform
Lets developers deploy web apps.
Image optimization service with an API and WordPress integration
High-performance API gateway that aggregates many services
gRPC and REST client with strong autocompletion
Streaming SQL database purpose-built for Kafka
Open-source container orchestration at scale
Application delivery platform that renders and deploys apps
Universal service mesh for Kubernetes and VMs
Template-free customisation of Kubernetes configurations
Embeddable graph database built for fast analytics
Backend platform with realtime and geolocation APIs
Type-safe SQL query builder for TypeScript
Policy engine designed for Kubernetes with YAML policies
AI-powered test orchestration and execution platform
Lightweight and modular continuous integration service
Lightning-fast code editor written in Rust
A pretty front-end for all your games
Feature management and experimentation platform
Software collaboration platform for code, bugs and translations
AI workflow automation platform for marketing and sales
Static site generator with a friendly admin UI
Web single sign-on with access management
The Kubernetes IDE for clusters and workloads
Ship and run software with less friction
In-process coverage-guided fuzzing engine from LLVM
SDK generation platform for APIs in many languages
Platform for training and deploying AI from the browser
Linux virtual machines for macOS with automatic file sharing
Issue tracking for modern teams
Ultralight service mesh for Kubernetes
Ship and run software with less friction
Tiny extensible editor written in Lua
SQLite CLI with auto-completion and syntax highlighting
Serverless NoSQL database in a single .NET library
Unified interface for calling 100+ LLM APIs
Interactive code search across many repositories
Open-source WebRTC platform for video, voice and AI
Ultra-fast memory-mapped key-value database library
Simple cloud load testing service for web apps and APIs from
Local cloud emulator for AWS services
Load testing framework written in Python
Session replay and product analytics for web and mobile
Open-source auth and user management for products
Node.js framework for building APIs quickly
A framework for making 2D games in Lua
Security auditing tool for Unix-based systems
Distributed time series database from Uber
AI-native test automation platform for web apps
Mobile UI testing framework with simple YAML flows
Headless-capable enterprise CMS in Java
Email address validation API and bulk checker
Transactional email and SMS API platform
Email API and delivery service for developers
Email marketing and transactional email platform
Email testing sandbox and sending infrastructure
Fast open-source search engine forked from Sphinx
Maps location search and navigation APIs
Platform for publishing spatial data to the web
Open-source relational database forked from MySQL
Lets website visitors and teams report bugs with annotated screenshots that.
Operational data warehouse for realtime SQL views
IP geolocation and fraud detection data services
Create online books from Markdown files
Developer platform for building healthcare apps
Visual diff and merge tool for developers
A lightweight HTML5 game engine
Memory layer for AI agents and applications
In-memory graph database for real-time streaming data
Developer infrastructure, handled
Fast, scalable distributed version control system
Provides omnichannel communication APIs connecting businesses with customers on chat apps.
Meta tag preview and generator for social sharing
Penetration testing framework used worldwide
Modern terminal text editor with mouse support
Kubernetes-native tool for API mocking and testing
Lightweight Kubernetes for workstations and appliances
Turn any URL into metadata, screenshots and PDFs
Bulk email verification to cut bounces
Documentation platform for beautiful developer docs
Self-hosted chat and video API solution
Polyglot tool version manager and task runner
Threat intelligence sharing platform for indicators
Project documentation from Markdown files
All-in-one terminal for remote computing
Offline website builder for small sites
Free desktop app for local API mocking
Serverless compute platform for AI and data workloads
Document database and developer data platform
Synthetic monitoring with YAML configuration
Lightweight process and system monitoring daemon
Java framework and business application suite
Serverless DuckDB analytics in the cloud.
Over-the-wire test doubles for services in any language
Generative royalty-free music for content and apps
Multicultural avatar characters for any project
Community-maintained open music encyclopedia
Video API for streaming and on-demand video
MySQL CLI with auto-completion and syntax highlighting
Service discovery and configuration management platform
Network monitoring suite forked from Nagios
Industry-standard infrastructure monitoring system
Lightweight cloud-native messaging for distributed systems
Graph database platform for connected data
Serverless Postgres
Real-time infrastructure monitoring with per-second metrics
Web platform for deploying sites and apps with CI/CD, functions and edge
Enterprise network and infrastructure monitoring system
Email verification and list cleaning service
Intelligent observability for your whole stack
Offers a free open-source React framework for building server-rendered and static.
Open-source Firebase alternative with GraphQL
A website builder that works offline
Static site generator with incremental rebuilds
Build, deploy and monitor in one workflow
Network discovery and security auditing scanner
Flow-based programming for wiring devices and APIs
Simple workload orchestrator for containers and other apps
Gives developers a platform to build.
Realtime distributed messaging platform
Fast vulnerability scanner powered by YAML templates
High-performance serverless platform for data and ML workloads
Provides a free open-source framework for building Vue applications with server.
Build system for monorepos with AI-powered CI
Fast object database for mobile and IoT devices
Network monitoring with automatic device discovery
Enterprise distributed database built for scale
Laravel-based CMS platform for websites
Deployment automation for releases and runbooks
Self-hosted Git server with CI/CD and code intelligence
Complete open source observability and reliability platform
An open-source 3D engine for games and simulation
Crowdsourced database of food products worldwide
Generate API clients and server stubs from OpenAPI specs
Java-based enterprise website content management
Cyber threat intelligence management platform
Serverless functions made simple on Kubernetes and Docker
Self-hosted pastebin and snippet service powered by Git with search and
Open Graph checker and preview tool
Source code search and cross-reference engine
JavaScript library for interactive maps in browsers
Open source LDAP directory server implementation
Tools and schema for building vector tile maps
Usage metering for billing and analytics
Cloud computing platform for private clouds
Offers a self-hostable session replay platform with product analytics.
One API for every AI model
Compliance and vulnerability scanning framework
Cloud operating system controlling compute pools
Open source status page and synthetic monitoring
Open standard for traces, metrics and logs
Open source infrastructure as code fork of Terraform
Scalable time series database on Hadoop
Full-featured vulnerability scanner
Multi-model graph-document database
Open-source identity and access management platform
High-performance routing engine for OpenStreetMap
Continuous fuzzing service for important open source projects
Host-based intrusion detection system
Virtualization management platform based on KVM
Identify known vulnerabilities in project dependencies
Software composition analysis with SBOM support
Web application security scanner from OWASP
Premium proxy and scraping solutions for enterprises
Visual merge tool from Perforce, free
Automated machine image builder for multiple platforms
Consumer-driven contract testing for microservices
Developer infrastructure, handled
Flexible monitoring for networks, servers and applications
Lets developers build realtime multiplayer applications on edge infrastructure with simple.
TypeScript headless CMS and application framework
Online payment solutions for emerging markets
Automated PDF generation from templates
Developer infrastructure, handled
A cross-platform emulator front-end
Distributed geocoder for addresses and places
A static site generator in Python
Enhanced drop-in replacement for MySQL with better performance
Visual review platform for screenshot testing
Postgres CLI with auto-completion and syntax highlighting
A fast, free HTML5 game framework
Fast geocoder built for OpenStreetMap data
Flat-file CMS with no database to manage
A fantasy console for tiny games and demos
Random placeholder photos from real photography
A visual editor that keeps your code clean
Website uptime and performance with real user and synthetic data
Pure Go implementation of WebRTC for developers
Developer automation platform with thousands of integrations
State of the art mutation testing system for the JVM
The HTML5 creation engine
Creative automation toolkit for images and videos
Automated video creation from templates and data
Open-source project management with docs and intake
Managed Vitess, Neki and Postgres database platform
A cloud-hosted engine for interactive 3D
Reliable end-to-end testing for modern web apps
Voice and SMS APIs for businesses to build customer communications at
Open-source backend in a single file
Daemonless container engine for developing and running OCI containers
Manage containers and Kubernetes locally
Open-source monetization platform for developers
Validation of Kubernetes best practices and security
Quick and modern self-hosted URL shortener
Kubernetes cluster sanitiser that reports potential issues
Docker, Kubernetes and container environments through one visual interface
Lets teams deploy applications into their own cloud accounts with a.
The world's most advanced open-source relational database
Practice PostgreSQL queries with real exercises
Automatic REST API for PostgreSQL databases
Modern PostgreSQL client for Mac
The complete platform for API development.
Transactional email delivery service for applications
In-browser database that syncs with CouchDB
Authoritative and recursive DNS server software
Modern database toolkit
Two-factor authentication system for enterprises
Creative coding environment for visual arts
CMS and framework with a powerful API
Open-source metrics monitoring and alerting toolkit
Helps B2B SaaS developers add authentication.
Serverless system for planet-scale maps
Virtualization platform combining KVM and containers
Modern web debugging proxy for macOS
A desktop CMS for static websites
A community-led hyper-hackable text editor
Developer infrastructure, handled
Infrastructure as code in real programming languages
Infrastructure automation and configuration management platform
Node.js library for controlling Chrome programmatically
In-app subscription and paywall platform
The classic free SSH and Telnet client
pytest fixture for benchmarking code inside test suites
Test management for manual and automated QA teams
AI code review and testing platform formerly CodiumAI
Subscription data and paywalls for mobile apps
Helps platform teams deploy applications on their own AWS accounts with.
IDE for Qt and cross-platform C++ development
Fast time-series database for high-throughput data
Widely used open source message broker for applications
Offers a peer-to-peer.
Deploy apps, databases and services to the cloud in minutes
Build, deploy and monitor in one workflow
Complete platform for managing Kubernetes clusters
Kubernetes and containers on the desktop
Free API for generating random user data
API hub and marketplace for discovering APIs
Web component for viewing OpenAPI documents interactively
NoSQL document database with ACID transactions
Supercharged productivity launcher
Application errors, crashes and real user performance in one dashboard
A simple library for videogame programming
Payment gateway and banking for Indian businesses
Interactive API documentation and developer hubs
Mobile database for local storage in apps
Web reconnaissance framework with modular design
Open-source query and dashboard platform
Real-time in-memory data platform and cache
API documentation and governance tooling
React framework for internal tools and admin panels
The engine behind thousands of visual novels
Unified cloud for hosting web services, APIs, databases and static sites
Automated dependency updates across repositories
API platform for running open-source AI models
Build software collaboratively
AI-powered test automation dashboard and reporting
Free online HTTP client and API testing tools
Email API built for developers with React components
Java library for testing and validating REST services
Scanner for vulnerable JavaScript libraries
Build internal tools fast with drag-and-drop UI on your own data.
One frontend for dozens of emulators
In-app subscription platform for mobile apps
Code review and document review for teams
Stream processing for monitoring events
Streaming database for realtime analytics
Free lightweight GUI for MongoDB enthusiasts
Generic open source automation framework for acceptance testing
Embeddable persistent key-value store for fast storage
Error monitoring and debugging platform
Ship and run software with less friction
Make your own RPG without programming
The standard IDE for R programming
Rocket-fast system logging daemon
Runbook automation and job scheduling platform
GPU cloud for AI training and inference
Local JavaScript database for offline-first applications
Event-driven infrastructure automation and configuration management
Composable content platform for structured content
Continuous testing cloud for web and mobile apps
Beautiful API documentation and client tools from OpenAPI specifications
Property-based testing for OpenAPI and GraphQL APIs
Repository manager for Git, Mercurial and Subversion
Proxy API for web scraping without blocks
Web scraping API with proxies and JS rendering
Build platform designed for continuous delivery at scale
High-performance NoSQL database compatible with Cassandra
Distributed file system for billions of small files
Interactive book that teaches SQL by investigation
Browser automation for web application testing
Build, deploy and monitor in one workflow
Web UI for Ansible, Terraform and other DevOps tools
Lightweight static analysis for finding bugs and vulnerabilities
Chat, voice and video APIs for apps
Email delivery and marketing platform by Twilio
Monitoring as code for servers, containers and services
Error tracking for apps
MySQL and MariaDB database management for macOS
Promise-based Node.js ORM for SQL databases
Living documentation and acceptance testing library
Provides Kinsta's platform for deploying applications.
Copy-paste React components
Lets mobile app users report bugs by shaking their phone.
Python monitoring framework for large environments
Shipping API for labels, rates and tracking
Shipping API and multi-carrier platform for businesses
Provides programmable communications APIs built by the creators of FreeSWITCH for.
Provides cloud communications APIs for messaging.
Embedded analytics for products and workflows
Command-line tool for continuous development on Kubernetes
Cloud data integration, backup and query platform
Terminal API client configured entirely in YAML
Friendly front-end for MPlayer and mpv
Developer infrastructure, handled
Network intrusion detection and prevention system
Breach data search for security professionals
Developer security platform for code and dependencies
Social engineering toolkit for penetration tests
Provides a free JavaScript library for realtime.
Email delivery platform and SMTP relay service
No-code builder for client portals and internal tools on your data
A free engine for mobile games in Lua
Code quality and security inspection platform
Hacker forge with Git, Mercurial, CI and mailing lists
Free Git GUI for Windows and Mac
Email delivery and analytics platform
API tooling for SDKs, Terraform and docs
OSINT automation for threat intelligence and recon
Multi-cloud continuous delivery platform for releasing software with confidence
Feature flag and experimentation platform, now Harness
Turn machine data into answers
Consumer-driven contract testing for JVM applications
Learn SQL with interactive lessons in the browser
Self-contained embeddable SQL database engine
Automatic SQL injection detection and exploitation
Interactive SQL tutorials and exercises
Graphical Java program to view any JDBC database structure
Code in the browser instantly
API and application security testing for developers
SDK generator for REST APIs
High-performance analytical database for real-time analytics
Cross-shell prompt written in Rust
A Laravel CMS that can run flat-file
Product growth platform for flags, experiments and analytics
Uptime, page speed and domains with alerts from global test locations
Build games with snap-together blocks
Open source API testing and monitoring from YAML
API design and documentation platform
Headless CMS with a visual editor
Frontend workshop for building UI components in isolation
Open-source headless CMS for APIs and content
Chat, feeds and video APIs for applications
Extensible continuous integration server in Node.js
Mutation testing for JavaScript, C# and Scala
Passwordless authentication platform for developers
Symfony-based CMS for complex web projects
Open-source Firebase alternative
Developer infrastructure, handled
Open-source authentication and session management
Paywall A/B testing and optimization for apps
High-performance network IDS, IPS and monitoring
Multi-model database for documents, graphs and tables
JavaScript survey and form builder libraries
Offers a free framework for building web applications with Svelte.
Tools for designing and documenting APIs with OpenAPI
Developer infrastructure, handled
Ship and run software with less friction
Log management with flexible routing and parsing
A modern terminal for the modern age
Privacy-first AI code assistant with on-prem and zero-retention deployment
Utility-first CSS framework
Immutable Linux distribution designed for Kubernetes
In-memory database and application server in Lua
Task runner and build tool using YAML taskfiles
Automated API testing in concise YAML files
Open source time-series database for IoT and industrial data
No-code database combining spreadsheet ease with Postgres power
Vector tile server written in Go
Cloud-native framework for CI and CD pipelines
Local development against remote Kubernetes clusters
API that connects bank accounts for fintech apps
Communications platform with programmable voice, SMS and networking APIs for developers
Durable execution platform for reliable workflows
Infrastructure as code for any cloud
Detect compliance and security violations in IaC
Node.js tool to automate end-to-end web testing
Libraries for integration testing with real Docker containers
API testing and monitoring with offline-first design
Web-based test management system
Test management system built for automated tests
Plain-English test automation platform
Automates web, mobile and API tests in plain English with AI
A fast, minimalist, extensible editor
Business SMS platform for notifications and support
Security scanner for Terraform code
Incident response platform for security teams
IoT platform for connecting and managing devices
Create 3D graphics in the browser
A fantasy console for tiny retro games
Geospatial database with real-time geofencing
Toolkit for microservice development on Kubernetes
Time-series database built on PostgreSQL
Visual editing backed by Git
Git inside Windows Explorer
Cloud-native application networking platform and reverse proxy
File processing API for media pipelines
Continuous integration service for GitHub projects
APIs in real time with analytics, error tracking and documentation generation
Network diagnostic tool combining traceroute and ping
All-in-one security scanner for containers and code
Find leaked credentials hidden anywhere in code
Open source agile and DevOps project management suite
High-performance build system for monorepos
Edge database platform based on libSQL
Provides APIs for messaging.
Tell interactive, branching stories
Embeddings database for semantic search and language models
API gateway and management platform available open-source and in the cloud
Generate avatars with user initials instantly
The engine behind half the world's games
Open-source feature flag management for developers
High-end 3D engine for games and film
Build, deploy and monitor in one workflow
File uploading and image CDN
GitHub-powered open source status page and uptime monitor
Websites, servers and keywords every minute and alerts on downtime
Collects visual feedback.
Utility data behind one API
Portable development environment manager
Open source routing engine with traffic awareness
Open source in-memory data store forked from Redis
Backup and disaster recovery for Kubernetes resources
Deploy web apps instantly
Distributed MQTT broker for IoT platforms
Run other operating systems in a window
Fast frontend build tool and dev server
Provides a free static site generator powered by Vite and Vue.
Fast unit test framework powered by Vite
Global legal research database
Professional desktop virtualisation, now free
JavaScript tool manager in Rust
VS Code binaries without Microsoft telemetry
Vue-powered static site generator
Agentless vulnerability scanner for Linux servers
Ship and run software with less friction
Waitlist and launch pages with referral mechanics
Modern terminal with AI
Universal watcher that runs commands when files change
Open-source terminal with AI and blocks interface
Simplify application builds, deploys and releases
Security monitoring platform for endpoints and cloud
Next-generation browser and mobile test automation
A serverless headless CMS platform
Module bundler for JavaScript applications
GPU-accelerated terminal emulator and multiplexer
Web scanner that identifies website technologies
Domain, WHOIS and DNS data APIs
Open-source developer platform for scripts and workflows
Agentic AI code editor, now Devin Desktop, for flow-state development
Compare and merge files and folders visually
Free SFTP and FTP client for Windows
Open-source API mock server for testing
The standard network protocol analyser
Simple yet powerful CI/CD engine with pipelines defined as code and
Enterprise identity features for B2B applications
WordPress security scanner for vulnerabilities
A text, hex and encoding editor
Search engine library behind many search tools
Combines a Postgres-based database with search and analytics in a serverless.
Apple's IDE for iOS and macOS development
Turnkey virtualization platform based on Xen
Web management for XCP-ng and XenServer
System monitoring for servers and networks
Desktop API client for REST, GraphQL and gRPC
A friendly dialogue tool for games
Distributed PostgreSQL-compatible database
Long-running online conversion service for documents, media and ebooks
Lets developers deploy services.
A high-performance multiplayer code editor
Network analysis framework for security monitoring
Terminal workspace with batteries included
Infrastructure monitoring and analytics platform
Web scraping API and browser for bypassing blocks
Email validation with deliverability tools
Distributed tracing system for microservices
Open-source identity infrastructure with organizations
TypeScript-first validation
Fast static site generator in a single binary
API gateway and management platform built on the edge for developers
Project gating and CI system for multi-repo changes